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How does one create a circuit board tiny enough to fit inside an existing wristwatch? I didn't see any photos of the circuit board.

• 0_____0 2y ago
  Check the GitHub link. Their PCB replaces the original in the watch.
• _Microft 2y ago
  This seems to be the replacement board shown here: https://github.com/travisgoodspeed/goodwatch/wiki/GoodWatch30 https://github.com/travisgoodspeed/goodwatch/wiki/GoodWatch3...
• deleted 2y ago
  [deleted]